Network Administration

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  • Is IT operational efficiency sexy enough to entice investment?

    Technologies like unified communications and SDN promise IT operational efficiency as a return on investment, but that can be difficult to measure. 

  • Unified network management primer

    Unified network management tools provide a single user interface from which admins can manage both their wired and wireless network devices. 

  • Unified network management tools: Key features, vendor approaches

    Unified network management platform buyers should look for key product features and be aware of three different vendor approaches to the market. 

  • IT content and vendor engagement evaluation survey

    When IT professionals, such as you, have an IT project at their organization, there is a need to research multiple pieces of content from a variety of sources including vendors, third-parties and experts. This survey will allow TechTarget to identify... 

  • Enterprise network testing: Best practices for developing a test lab

    Enterprise network testing can minimize IT service outages, yet developing a test lab can bring up various issues. Knowing best practices for running a test facility is imperative. 

  • Cius vs. iPad: Can Cisco take on Apple?

    The battle for the enterprise tablet may boil down to Cisco vs. Apple and Cius vs. iPad. However, Fast Packet blogger, Greg Ferro wonders if Cisco really has the engineering and apps to win. 

  • LAN disaster recovery planning

    Local area network disaster recovery planning may seem simpler than data center recovery planning, but it is still full of surprises. Network admins must know the location and configuration of all components on the LAN and minimize single points of f... 

  • Interop New York technology trends: Hype or ripe?

    Which Interop New York technology trends are ripe and which are hype? Interop New York experts will be discussing, virtualization, converged data center networks, cloud computing, and the all-wireless enterprise, but only some of these technologies w... 

  • Interop New York 2010: Special news coverage

    At Interop New York 2010 this week, industry experts will focus on data center networking and convergence, cloud computing networks, server and network virtualization, application delivery, WAN performance, new wireless LAN technologies, enterprise m... 

  • Primer: Multi-tenant network for the private cloud

    The push for private cloud computing networks is creating new security and management challenges for network managers. The first step is to build a multi-tenant network to isolate applications and data; next come application-aware networks. 

  • See more Essential Knowledge on Network Administration
  • split brain syndrome

    Split brain syndrome, in a clustering context, is a state in which a cluster of nodes gets divided (or partitioned) into smaller clusters of equal numbers of nodes, each of which believes it is the only active cluster. Believing the other clusters ar... 

  • superuser

    A superuser is a network account with privilege levels far beyond those of most user accounts. Such an account may belong to a network or system administrator, a database administrator (DBA), a CIO or a CEO. Often, a superuser account is shared by mu... 

  • one-banana problem

    A one-banana problem is an easily resolved issue. According to the New Hacker's Dictionary, the term originated in the mainframe era. Reportedly, programmers and hardware experts claimed that the jobs of administrators could be performed by trained m... 

  • OpenDNS

    OpenDNS is the world’s largest reverse DNS service provider. The OpenDNS service is ISP-independent, adds extra features and offers an optional cloud-based security service. OpenDNS does not require software installation and can be set with options f... 

  • COPE (corporate-owned, personally-enabled)

    COPE (corporate-owned personally-enabled) is a business model in which an organization provides its employees with mobile computing devices and allows the employees to use them as if they were personally-owned notebook computers, tablets or smartphon... 

  • ISSU (in-service software upgrade)

    An ISSU (in-service software upgrade) is a technique for updating software on a network device without taking that device offline and thereby disrupting network services. 

  • application awareness

    Application awareness is the capacity of a system to maintain information about connected applications to optimize their operation and that of any subsystems that they run or control. 

  • plane (in networking)

    A plane, in a networking context, is one of three integral components of a telecommunications architecture. These three elements -- the data plane, the control plane and the management plane – can be thought of as different areas of operations. Each ... 

  • OpenFlow

    OpenFlow is a protocol that allows a server to tell network switches where to send packets. The packet-moving decisions are centralized, so that the network can be programmed independently of the individual switches and data center gear. 

  • converged network adapter (CNA)

    A converged network adapter (CNA) is a single network interface card (NIC) that contains both a Fibre Channel (FC) host bus adapter (HBA) and a TCP/IP Ethernet NIC. 

  • See more Definitions on Network Administration
  • Networking podcasts

    Listen to our networking podcasts and learn more about technologies you need to know to keep your network running smoothly. 

About Network Administration

Here we offer tutorials on networking basics, network documentation and network maintenance for the network administrator. Learn about network mapping and tracking network devices and IP addresses to save time and resources, along with ways to simplify routine admin tasks such as operating system upgrades and security patch management.